Analysis of radon in shallow-well water: a case study at Phichit subdistrict in Songkhla province, Thailand

International Nuclear Science and Technology Conference 2014

Charoensri, A.^1 ; Siriboonprapob, S.^1 ; Sastri, N.^1

Bureau of Technical Support for Safety Regulation, Office of Atoms for Peace, Bangkok, Thailand^1

关键词: Annual effective dose;    Effective dose;    European council;    Radon concentrations;    Radon detectors;    US Environmental Protection Agency;    Water samples;    World Health Organization;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/611/1/012025/pdf
DOI  :  10.1088/1742-6596/611/1/012025

来源: IOP

【 摘 要 】

Radon levels were measured in shallow-well water samples collected from Phichit subdistrict in Songkhla province, Thailand. A total of 35 water samples from shallow-wells were collected and measured for the radon concentration. The measurements were performed using a RAD7 portable radon detector. The radon concentrations varied from 0.18 ± 0.07 to 98.1 ± 5.92 Bq/L with a mean value of 16.76 ± 2.33 Bq/L. These recorded values were compared with the safe limit values recommended for drinking water by various health and environmental protection agencies. Thirty-four percent of the recorded values were within the safe limit of 11 Bq/L recommended by the US Environmental Protection Agency. The annual effective dose from ingestion and inhalation of radon was also evaluated. The estimated total effective dose varied from 0.48 to 262.91 μSv/year. The total effective dose in most of the samples (∼90%) in this study was within the safe limit (0.1 mSv/year) recommended by the World Health Organization (WHO) and the European Council.